28449897

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{113}}^1\times {\mathrm{631}}^1$

素因数の和:773

約数の個数: 32

約数和(自身を含む): 46110720

約数和(自身を除く): 17660823

約数列:

[1, 3, 7, 19, 21, 57, 113, 133, 339, 399, 631, 791, 1893, 2147, 2373, 4417, 6441, 11989, 13251, 15029, 35967, 45087, 71303, 83923, 213909, 251769, 499121, 1354757, 1497363, 4064271, 9483299, 28449897]

約数ペア:

[(1, 28449897), (3, 9483299), (7, 4064271), (19, 1497363), (21, 1354757), (57, 499121), (113, 251769), (133, 213909), (339, 83923), (399, 71303), (631, 45087), (791, 35967), (1893, 15029), (2147, 13251), (2373, 11989), (4417, 6441)]